Companies / Avidity Biosciences, Inc. / Activity
Activity — Avidity Biosciences, Inc.
129 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Exit | Common stock | $-926.93M | -12.9M -100.00% | 0 | high |
| Q1 2026 as of | RA Capital Management, L.P. 13F manager | Exit | Common stock | $-623.28M | -8.6M -100.00% | 0 | high |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Exit | Common stock | $-500.56M | -6.9M -100.00% | 0 | high |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Exit | Common stock | $-435.71M | -6.0M -100.00% | 0 | high |
| Q1 2026 as of | Hbk Investments L P 13F manager | Exit | Common stock | $-314.85M | -4.4M -100.00% | 0 | high |
| Q4 2025 as of | Hbk Investments L P 13F manager | New | Common stock | $314.85M | +4.4M | 4,365,000 2.81% of shares | high |
| Q2 2026 as of | State Street Corporation 13F manager | Exit | Common stock | $-295.58M | -4.1M -100.00% | 0 | high |
| Q4 2025 as of | OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 13F manager | New | Common stock | $268.08M | +3.7M | 3,716,597 2.40% of shares | high |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Exit | Common stock | $-225.14M | -3.1M -100.00% | 0 | high |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-219.74M | -3.0M -100.00% | 0 | high |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | Exit | Common stock | $-189.77M | -2.6M -100.00% | 0 | high |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $159.28M | +2.2M +263.44% | 3,046,388 1.96% of shares | high |
| Q1 2026 as of | Weiss Asset Management LP 13F manager | Exit | Common stock | $-155.88M | -2.2M -100.00% | 0 | high |
| Q4 2025 as of | Weiss Asset Management LP 13F manager | New | Common stock | $155.88M | +2.2M | 2,161,093 1.39% of shares | high |
| Q1 2026 as of | Millennium Management LLC 13F manager | Exit | Common stock | $-155.60M | -2.2M -100.00% | 0 | high |
| Q1 2026 as of | TIG Advisors, LLC 13F manager | Exit | Common stock | $-129.96M | -1.8M -100.00% | 0 | high |
| Q1 2026 as of | Magnetar Financial LLC 13F manager | Exit | Common stock | $-83.57M | -1.2M -100.00% | 0 | high |
| Q1 2026 as of | AllianceBernstein L.P. 13F manager | Exit | Common stock | $-75.55M | -1.0M -100.00% | 0 | high |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Trim | Common stock | $-73.47M | -1.0M -59.04% | 706,665 0.46% of shares | high |
| Q1 2026 as of | Tang Capital Management, LLC 13F manager | Exit | Common stock | $-64.92M | -900K -100.00% | 0 | high |
| Q1 2026 as of | Alpine Associates Management Inc. 13F manager | Exit | Common stock | $-62.57M | -868K -100.00% | 0 | high |
| Q1 2026 as of | Soros Fund Management LLC 13F manager | Exit | Common stock | $-60.66M | -841K -100.00% | 0 | high |
| Q1 2026 as of | Orbimed Advisors LLC 13F manager | Exit | Common stock | $-44.69M | -620K -100.00% | 0 | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Exit | Common stock | $-44.04M | -611K -100.00% | 0 | medium |
| Q1 2026 as of | Sculptor Capital LP 13F manager | Exit | Common stock | $-40.83M | -566K -100.00% | 0 | medium |
| Q4 2025 as of | Sculptor Capital LP 13F manager | New | Common stock | $40.83M | +566K | 566,000 0.36% of shares | medium |
| Q1 2026 as of | Polar Asset Management Partners Inc. 13F manager | Exit | Common stock | $-38.19M | -530K -100.00% | 0 | medium |
| Q1 2026 as of | Westfield Capital Management Company, L.P. 13F manager | Exit | Common stock | $-33.98M | -471K -100.00% | 0 | medium |
| Q1 2026 as of | Bank of New York Mellon Corp/The 13F manager | Exit | Common stock | $-30.12M | -418K -100.00% | 0 | medium |
| Q1 2026 as of | Twin Securities, Inc. 13F manager | Exit | Common stock | $-26.34M | -365K -100.00% | 0 | medium |
| Q2 2025 as of | Boxer Capital Management, LLC 13F manager | Exit | Common stock | $-25.53M | -865K -100.00% | 0 | medium |
| Q1 2026 as of | Harvest Management LLC 13F manager | Exit | Common stock | $-23.75M | -329K -100.00% | 0 | medium |
| Q1 2026 as of | Gabelli Funds LLC 13F manager | Exit | Common stock | $-23.70M | -329K -100.00% | 0 | medium |
| Q1 2026 as of | Hudson Bay Capital Management LP 13F manager | Exit | Common stock | $-15.74M | -218K -100.00% | 0 | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Exit | Common stock | $-15.33M | -213K -100.00% | 0 | medium |
| Q1 2026 as of | AQR Arbitrage LLC 13F manager | Exit | Common stock | $-15.05M | -209K -100.00% | 0 | medium |
| Q4 2025 as of | Barclays PLC 13F manager | Add | Common stock | $12.91M | +179K +50.79% | 531,203 0.34% of shares | medium |
| Q1 2026 as of | Water Island Capital LLC 13F manager | Exit | Common stock | $-12.15M | -168K -100.00% | 0 | medium |
| Q1 2026 as of | Credit Industriel Et Commercial 13F manager | Exit | Common stock | $-12.12M | -168K -100.00% | 0 | medium |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Exit | Common stock | $-12.03M | -167K -100.00% | 0 | medium |
| Q2 2026 as of | Versor Investments LP 13F manager | Exit | Common stock | $-11.75M | -163K -100.00% | 0 | medium |
| Q1 2026 as of | Grantham, Mayo, Van Otterloo & Co. LLC 13F manager | Exit | Common stock | $-11.14M | -154K -100.00% | 0 | medium |
| Q1 2026 as of | Rhumbline Advisers 13F manager | Exit | Common stock | $-11.00M | -153K -100.00% | 0 | medium |
| Q1 2026 as of | Empyrean Capital Partners, LP 13F manager | Exit | Common stock | $-10.31M | -143K -100.00% | 0 | medium |
| Q1 2026 as of | Prelude Capital Management, LLC 13F manager | Exit | Common stock | $-8.07M | -112K -100.00% | 0 | medium |
| Q3 2024 as of | Barclays PLC 13F manager | Add | Common stock | $7.53M | +164K +178.56% | 255,699 0.16% of shares | medium |
| Q1 2026 as of | California State Teachers Retirement System 13F manager | Exit | Common stock | $-7.52M | -104K -100.00% | 0 | medium |
| Q1 2026 as of | P Schoenfeld Asset Management LP 13F manager | Exit | Common stock | $-6.11M | -85K -100.00% | 0 | medium |
| Q1 2026 as of | Rafferty Asset Management, LLC 13F manager | Exit | Common stock | $-5.88M | -82K -100.00% | 0 | medium |
| Q2 2026 as of | NINE MASTS CAPITAL Ltd 13F manager | Exit | Common stock | $-5.68M | -79K -100.00% | 0 | medium |